Tumble Science Podcast for Kids

Who invented the peanut butter and jelly sandwich? And how did it become one of the most famous lunches in America?

In this episode, a question from listener Leila sends us on a trip through history to find out how peanut butter, jelly, and sliced bread came together to make the classic PB&J. Along the way, we learn about the first written recipe for the sandwich in 1901, how peanut butter went from a fancy food to a lunchbox staple, and why sliced bread changed everything.

To help answer Leila’s question, we turned to our buddy Mick Sullivan, host of the history podcast The Past and the Curious. Mick loved the question so much that he made a whole episode about it—and today we’re sharing it with you.

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Why do humans usually have five fingers on each hand? And what if one day, we could grow a new finger if we lost one?

In this episode, a question from six-year-old listener Ayla sends us on a journey from tiny developing embryos to one of the most amazing animals on Earth: the axolotl. 

We talk with Dr. Jessica Whited, a Harvard-based biologist who studies how axolotls regrow their limbs - and why humans can’t do the same… for now! Along the way, we discover how our hands develop before we’re born, why evolution settled on five fingers, and axolotls might show us the way to regrow our own limbs. 

Plus: why axolotls have to live in separate tanks (hint: they’re a little too snack-happy).

Join on Patreon to help us continue to make Tumble: patreon.com/tumblepodcast

Shop official Tumble merch: https://tumblepodcast.dashery.com/

Listen to Tumble en Español: https://pod.link/1521514886

Submit a science question: https://www.sciencepodcastforkids.com/contact

In this episode, we talk to two scientists who study animal friendships, in different animals, and in different ways. We’ll hear from Karen Bales, who studies titi monkeys (AKA “fuzzy little guys”) and Annaliese Beery, who studies voles (AKA “the cutest rodents”). Get ready to discover how animal friends play and cuddle - and what they can teach us about our own friendships. 

This episode was produced thanks to a generous grant from the Greater Good Science Center. Check out their website for all kinds of awesome quizzes, information, and more!

Join on Patreon to help us continue to make Tumble: patreon.com/tumblepodcast

Shop official Tumble merch: https://tumblepodcast.dashery.com/

Listen to Tumble en Español: https://pod.link/1521514886

Submit a science question: https://www.sciencepodcastforkids.com/contact

How did Earth get created? What did our planet begin as? Why does our world exist? What started our planet? These questions take us back billions of years to learn how Earth formed in the very beginning - and then, we’ll look to a group of mysterious asteroids that might reveal how Earth became the planet it is today. 

With planetary scientist Bill Bottke, we’ll hear the incredible story of Earth’s earliest days in cinematic style. And get ready for a journey to Jupiter, where a NASA mission you probably haven’t heard of is heading, in hopes of revealing mysteries hidden in the Trojan asteroids. What could they reveal about why our planet came to host life? Listen to find out!

Join on Patreon to help us continue to make Tumble: patreon.com/tumblepodcast

Shop official Tumble merch: https://tumblepodcast.dashery.com/

Listen to Tumble en Español: https://pod.link/1521514886

Submit a science question: https://www.sciencepodcastforkids.com/contact

This is a rebroadcast of one of our favorite episodes from season 9!

Do fungi breathe? That’s what listener Alice wants to know - and we’ll find out in our punniest episode yet! We visit the Fungarium - the largest and oldest collection of fungi in the world with curator Lee Davies, who describes himself as a “librarian” of mushrooms. We’ll explore how fungi live and die, and why there’s so many species left to discover. Watch out for the zombie fungi! And beware, Lindsay and Marshall don’t hold back on the “fun guy” puns!

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Go here to get more details about Tumble's appearance at Lincoln Center this February 7th at 11 am! It's totally free to the public!